Chapter 1 Vocabulary

Question 1

Counting numbers

Answer 1

The numbers used to count. 1, 2, 3…

Question 2

Digit

Answer 2

any numeral

Question 3

Numeral

Answer 3

A symbol that stands for a number

Question 4

Hundred chart

Answer 4

10-by-10 grid displaying the numbers

from 1 to 100 in order from left to right

Question 5

multidigit number

Answer 5

A number with more than one digit,

such as 26 or 547

Question 6

Place value chart

Answer 6

a chart or arrangement that shows the

value of each digit in a number

Question 7

whole numbers

Answer 7

Zero and the counting numbers

Question 8

Base-10 blocks

Answer 8

a set of blocks used to model the place

values of numbers; blocks include ones cubes, tens rods, hundreds flats, and thousands cubes

Question 9

Model

Answer 9

to use physical objects, diagrams, or pictures

to represent an amount, an expression, an equation, or a problem situation

Question 10

Place value

Answer 10

The value of a digit, given its position in a

number; for example, 23 means 2 tens and 3 ones

Question 11

Place value notation

Answer 11

the conventional way of writing
numbers in which each digit has a value according to its position; place-value notation is used to write numbers in standard form

Question 12

Expanded form

Answer 12

a way to write a number that shows the

place value of each of its digits; for example, 428 = 400 + 20 + 8 or 4 hundreds + 2 tens + 8 ones

Question 13

Hundreds place

Answer 13

the third digit to the left of the decimal point in a number; the digit represents zero hundreds
through 9 hundreds

Question 14

ones place

Answer 14

the first digit to the left of the decimal point in a

number; the digit represents zero ones through 9 ones

Question 15

Standard form

Answer 15

the conventional way of writing numbers;

348 is standard form whereas 300 + 40 + 8 is expanded form

Question 16

Tens place

Answer 16

the second digit to the left of the decimal point

in a number; the digit represents zero tens through 9 tens